~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/string.h

Version: ~ [ linux-5.15-rc5 ] ~ [ linux-5.14.11 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.72 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.152 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.210 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.250 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.286 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.288 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef _LINUX_STRING_H_
  2 #define _LINUX_STRING_H_
  3 
  4 /* We don't want strings.h stuff being used by user stuff by accident */
  5 
  6 #ifndef __KERNEL__
  7 #include <string.h>
  8 #else
  9 
 10 #include <linux/compiler.h>     /* for inline */
 11 #include <linux/types.h>        /* for size_t */
 12 #include <linux/stddef.h>       /* for NULL */
 13 #include <stdarg.h>
 14 
 15 extern char *strndup_user(const char __user *, long);
 16 extern void *memdup_user(const void __user *, size_t);
 17 
 18 /*
 19  * Include machine specific inline routines
 20  */
 21 #include <asm/string.h>
 22 
 23 #ifndef __HAVE_ARCH_STRCPY
 24 extern char * strcpy(char *,const char *);
 25 #endif
 26 #ifndef __HAVE_ARCH_STRNCPY
 27 extern char * strncpy(char *,const char *, __kernel_size_t);
 28 #endif
 29 #ifndef __HAVE_ARCH_STRLCPY
 30 size_t strlcpy(char *, const char *, size_t);
 31 #endif
 32 #ifndef __HAVE_ARCH_STRCAT
 33 extern char * strcat(char *, const char *);
 34 #endif
 35 #ifndef __HAVE_ARCH_STRNCAT
 36 extern char * strncat(char *, const char *, __kernel_size_t);
 37 #endif
 38 #ifndef __HAVE_ARCH_STRLCAT
 39 extern size_t strlcat(char *, const char *, __kernel_size_t);
 40 #endif
 41 #ifndef __HAVE_ARCH_STRCMP
 42 extern int strcmp(const char *,const char *);
 43 #endif
 44 #ifndef __HAVE_ARCH_STRNCMP
 45 extern int strncmp(const char *,const char *,__kernel_size_t);
 46 #endif
 47 #ifndef __HAVE_ARCH_STRNICMP
 48 extern int strnicmp(const char *, const char *, __kernel_size_t);
 49 #endif
 50 #ifndef __HAVE_ARCH_STRCASECMP
 51 extern int strcasecmp(const char *s1, const char *s2);
 52 #endif
 53 #ifndef __HAVE_ARCH_STRNCASECMP
 54 extern int strncasecmp(const char *s1, const char *s2, size_t n);
 55 #endif
 56 #ifndef __HAVE_ARCH_STRCHR
 57 extern char * strchr(const char *,int);
 58 #endif
 59 #ifndef __HAVE_ARCH_STRNCHR
 60 extern char * strnchr(const char *, size_t, int);
 61 #endif
 62 #ifndef __HAVE_ARCH_STRRCHR
 63 extern char * strrchr(const char *,int);
 64 #endif
 65 extern char * __must_check strstrip(char *);
 66 #ifndef __HAVE_ARCH_STRSTR
 67 extern char * strstr(const char *,const char *);
 68 #endif
 69 #ifndef __HAVE_ARCH_STRLEN
 70 extern __kernel_size_t strlen(const char *);
 71 #endif
 72 #ifndef __HAVE_ARCH_STRNLEN
 73 extern __kernel_size_t strnlen(const char *,__kernel_size_t);
 74 #endif
 75 #ifndef __HAVE_ARCH_STRPBRK
 76 extern char * strpbrk(const char *,const char *);
 77 #endif
 78 #ifndef __HAVE_ARCH_STRSEP
 79 extern char * strsep(char **,const char *);
 80 #endif
 81 #ifndef __HAVE_ARCH_STRSPN
 82 extern __kernel_size_t strspn(const char *,const char *);
 83 #endif
 84 #ifndef __HAVE_ARCH_STRCSPN
 85 extern __kernel_size_t strcspn(const char *,const char *);
 86 #endif
 87 
 88 #ifndef __HAVE_ARCH_MEMSET
 89 extern void * memset(void *,int,__kernel_size_t);
 90 #endif
 91 #ifndef __HAVE_ARCH_MEMCPY
 92 extern void * memcpy(void *,const void *,__kernel_size_t);
 93 #endif
 94 #ifndef __HAVE_ARCH_MEMMOVE
 95 extern void * memmove(void *,const void *,__kernel_size_t);
 96 #endif
 97 #ifndef __HAVE_ARCH_MEMSCAN
 98 extern void * memscan(void *,int,__kernel_size_t);
 99 #endif
100 #ifndef __HAVE_ARCH_MEMCMP
101 extern int memcmp(const void *,const void *,__kernel_size_t);
102 #endif
103 #ifndef __HAVE_ARCH_MEMCHR
104 extern void * memchr(const void *,int,__kernel_size_t);
105 #endif
106 
107 extern char *kstrdup(const char *s, gfp_t gfp);
108 extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
109 extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
110 
111 extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
112 extern void argv_free(char **argv);
113 
114 extern bool sysfs_streq(const char *s1, const char *s2);
115 
116 #ifdef CONFIG_BINARY_PRINTF
117 int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args);
118 int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf);
119 int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4);
120 #endif
121 
122 extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
123                         const void *from, size_t available);
124 
125 /**
126  * strstarts - does @str start with @prefix?
127  * @str: string to examine
128  * @prefix: prefix to look for.
129  */
130 static inline bool strstarts(const char *str, const char *prefix)
131 {
132         return strncmp(str, prefix, strlen(prefix)) == 0;
133 }
134 #endif
135 #endif /* _LINUX_STRING_H_ */
136 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp